Talking about Miley’s controversial Wrecking Ball video, she told Boston radio station Mix 104.1: ‘I wish I had enough confidence to get naked and sit on a wrecking ball. If you had her body, you’d be on that ball right with her.’

Nathan and Ariana first hooked up after working together on Almost Is Never Enough last year (Picture: Xposurephotos.com)

Miley’s confidence is second to none (Picture: Reuters)

But while Grande may be fond of Miley’s wild side, she draws the line at Bieber’s recent antics – which she describes as ‘serious and upsetting’.